M348449/M348410 Single Row Inch Tapered Roller Bearing 241.3×320.675×49.212mm For Heavy Mining Dump Truck Axle & Industrial Reducer

M348449/10 is a separable single-row inch tapered roller bearing, consisting of cone M348449 and cup M348410. It can bear heavy radial load and one-way axial load simultaneously, featuring large taper rollers for outstanding load capacity. Widely applied on heavy mining dump truck axles, large construction machinery and heavy-duty transmission equipment working under impact and muddy conditions.

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• Large taper roller structure delivers super strong static & dynamic load capacity, resistant to frequent impact
• Separable cone and cup design, easy to disassemble and maintain vehicle axles
• Stable rotation with low friction, suitable for continuous heavy-load operation
• Complete heat treatment improves surface hardness and wear resistance
• Support OEM marking, custom clearance and neutral wooden export packaging

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• Heavy mining dump truck drive axles
• Large loader, excavator and engineering transmission parts
• Metallurgical heavy conveying rollers
• Cement rotary kiln auxiliary support equipment
• Heavy agricultural large harvesters

👉 Ideal for customers looking for reliable heavy-duty bearing solutions

• 25+ years experience in inch tapered roller bearing manufacturing
• Full range of inch heavy truck bearing models in stock
• Strict dimensional, hardness and dynamic performance inspection before shipment
• Fast technical reply within 24 hours
• Stable mass supply for machinery factories and auto spare parts dealers

👉 We focus on quality, reliability, and long-term partnership

• Raw material composition inspection
• Precision grinding and heat treatment monitoring
• Taper angle, clearance and noise testing
• Heavy load endurance test
• Anti-rust treatment and export packaging inspection before delivery

👉 Ensuring consistent performance for every bearing

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• Fast quotation within 24 hours
• Professional technical matching support
• Custom OEM marking service
• Competitive factory bulk price

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